Energy and oreantation its one if not bolth of those
D. The energy released or absorbed during the reaction
A. phase changing. Physical change is any change in matter that involves the substance going from one physical state to another, and phase change is most commonly used to describe transitions between solid, liquid and gaseous states of matter.
Matter buddy, ur welcome :)
To find the density, the formula would be d= m/V. Your answer would be 19.9 or if you round, 20.
